1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.lib.jittester.factories;
  25 
  26 import java.util.ArrayList;
  27 import jdk.test.lib.jittester.IRNode;
  28 import jdk.test.lib.jittester.ProductionFailedException;
  29 import jdk.test.lib.jittester.functions.FunctionDeclarationBlock;
  30 import jdk.test.lib.jittester.functions.FunctionInfo;
  31 import jdk.test.lib.jittester.types.TypeKlass;
  32 import jdk.test.lib.jittester.utils.PseudoRandom;
  33 
  34 class FunctionDeclarationBlockFactory extends Factory {
  35     private final int memberFunctionsLimit;
  36     private final int memberFunctionsArgLimit;
  37     private final int level;
  38     private final TypeKlass ownerClass;
  39 
  40     FunctionDeclarationBlockFactory(TypeKlass ownerClass, int memberFunctionsLimit,
  41             int memberFunctionsArgLimit, int level) {
  42         this.ownerClass = ownerClass;
  43         this.memberFunctionsLimit = memberFunctionsLimit;
  44         this.memberFunctionsArgLimit = memberFunctionsArgLimit;
  45         this.level = level;
  46     }
  47 
  48     @Override
  49     public IRNode produce() throws ProductionFailedException {
  50         ArrayList<IRNode> content = new ArrayList<>();
  51         int memFunLimit = (int) (PseudoRandom.random() * memberFunctionsLimit);
  52         if (memFunLimit > 0) {
  53             IRNodeBuilder builder = new IRNodeBuilder()
  54                     .setOwnerKlass(ownerClass)
  55                     .setMemberFunctionsArgLimit(memberFunctionsArgLimit)
  56                     .setFlags(FunctionInfo.ABSTRACT | FunctionInfo.PUBLIC);
  57             for (int i = 0; i < memFunLimit; i++) {
  58                 try {
  59                     content.add(builder.setName("func_" + i).getFunctionDeclarationFactory().produce());
  60                 } catch (ProductionFailedException e) {
  61                     // TODO: do we have to react here?
  62                 }
  63             }
  64         }
  65         return new FunctionDeclarationBlock(ownerClass, content, level);
  66     }
  67 }